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Power grid power failure forecasting and automatic load shedding control method based on frequency model

A control method and automatic technology, applied in the integration of power network operating systems, electrical components, circuit devices, etc., can solve the problems of no frequency forecast, no certain rules, etc., to avoid major equipment accidents, reduce electricity costs, and save costs Effect

Pending Publication Date: 2022-08-05
BENGANG STEEL PLATES
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  • Application Information

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Problems solved by technology

[0002] Due to the variety of load changes in the power grid and no certain rules, there is currently no good algorithm for frequency forecasting

Method used

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  • Power grid power failure forecasting and automatic load shedding control method based on frequency model
  • Power grid power failure forecasting and automatic load shedding control method based on frequency model
  • Power grid power failure forecasting and automatic load shedding control method based on frequency model

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Embodiment Construction

[0034] In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

[0035] A frequency model-based power grid outage prediction and automatic load shedding control method proposed by the present invention, such as figure 1 As shown, the method specifically includes the following steps:

[0036] S1. Automatically collect the voltage and frequency signals and current signals of the power grid, summarize and analyze the waveforms, and evaluate the working conditions;

[0037] S2. In the continuous 600 seconds, the frequency measurement val...

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Abstract

The invention relates to a power grid power failure forecasting and automatic load shedding control method based on a frequency model, and the method achieves the forecasting of the frequency change of a power grid through a software algorithm, predicts the switching-out power failure according to the change trend of the load current and frequency, reduces the frequency reduction caused by the insufficient generated power, and improves the reliability of the power grid. And power grid switching-out brings adverse effects on production and life. Precious time is won for executing a power failure accident plan, and a technical means is provided for stable and orderly power utilization; moreover, according to the method, through a two-stage early warning mechanism, different emergency plans are formulated, and automatic load shedding is carried out, so that the maximum demand electric charge is reduced, the cost is saved, the automation and intelligence degree is improved, manual intervention is not needed, and automatic forecasting of power failure and automatic load reduction are realized. And major equipment accidents and personal casualties are avoided. Compared with traditional switching-out power limiting, the method has obvious technical advantages and wide popularization space.

Description

technical field [0001] The invention relates to the technical field of electric power risk control, in particular to a frequency model-based power grid outage prediction and automatic load shedding control method. Background technique [0002] Due to the variety of load changes in the power grid, there is no certain law, and there is currently no good algorithm for frequency forecasting. Therefore, it is an urgent problem to develop a frequency prediction model to predict the power outage caused by insufficient power generation. SUMMARY OF THE INVENTION [0003] In view of the above-mentioned problems, the purpose of the present invention is to provide a power grid outage forecast and automatic load shedding control method based on a frequency model. For forecasting, a two-level early warning mechanism is set for early warning, and through model calculation, the load capacity of automatic load shedding is output, and the function of automatically reducing local load to en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/14H02J3/24H02J13/00
CPCH02J3/144H02J3/24H02J13/00001H02J13/00006H02J2203/20Y02B70/3225Y04S20/222
Inventor 孙兴一王允何水珍杨阔鸣杨红海
Owner BENGANG STEEL PLATES